// A Bison parser, made by GNU Bison 3.0.4.

// Locations for Bison parsers in C++

// Copyright (C) 2002-2015 Free Software Foundation, Inc.

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// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
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// GNU General Public License for more details.

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// along with this program.  If not, see <http://www.gnu.org/licenses/>.

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// part or all of the Bison parser skeleton and distribute that work
// under terms of your choice, so long as that work isn't itself a
// parser generator using the skeleton or a modified version thereof
// as a parser skeleton.  Alternatively, if you modify or redistribute
// the parser skeleton itself, you may (at your option) remove this
// special exception, which will cause the skeleton and the resulting
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// License without this special exception.

// This special exception was added by the Free Software Foundation in
// version 2.2 of Bison.

/**
 ** \file location.hh
 ** Define the yy::location class.
 */

#ifndef YY_YY_LOCATION_HH_INCLUDED
#define YY_YY_LOCATION_HH_INCLUDED

#include "position.hh"

namespace yy {
#line 46 "location.hh" // location.cc:296
/// Abstract a location.
class location {
public:
  /// Construct a location from \a b to \a e.
  location(const position &b, const position &e) : begin(b), end(e) {}

  /// Construct a 0-width location in \a p.
  explicit location(const position &p = position()) : begin(p), end(p) {}

  /// Construct a 0-width location in \a f, \a l, \a c.
  explicit location(std::string *f, unsigned int l = 1u, unsigned int c = 1u)
      : begin(f, l, c), end(f, l, c) {}

  /// Initialization.
  void initialize(std::string *f = YY_NULLPTR, unsigned int l = 1u,
                  unsigned int c = 1u) {
    begin.initialize(f, l, c);
    end = begin;
  }

  /** \name Line and Column related manipulators
   ** \{ */
public:
  /// Reset initial location to final location.
  void step() { begin = end; }

  /// Extend the current location to the COUNT next columns.
  void columns(int count = 1) { end += count; }

  /// Extend the current location to the COUNT next lines.
  void lines(int count = 1) { end.lines(count); }
  /** \} */

public:
  /// Beginning of the located region.
  position begin;
  /// End of the located region.
  position end;
};

/// Join two locations, in place.
inline location &operator+=(location &res, const location &end) {
  res.end = end.end;
  return res;
}

/// Join two locations.
inline location operator+(location res, const location &end) {
  return res += end;
}

/// Add \a width columns to the end position, in place.
inline location &operator+=(location &res, int width) {
  res.columns(width);
  return res;
}

/// Add \a width columns to the end position.
inline location operator+(location res, int width) { return res += width; }

/// Subtract \a width columns to the end position, in place.
inline location &operator-=(location &res, int width) { return res += -width; }

/// Subtract \a width columns to the end position.
inline location operator-(location res, int width) { return res -= width; }

/// Compare two location objects.
inline bool operator==(const location &loc1, const location &loc2) {
  return loc1.begin == loc2.begin && loc1.end == loc2.end;
}

/// Compare two location objects.
inline bool operator!=(const location &loc1, const location &loc2) {
  return !(loc1 == loc2);
}

/** \brief Intercept output stream redirection.
 ** \param ostr the destination output stream
 ** \param loc a reference to the location to redirect
 **
 ** Avoid duplicate information.
 */
template <typename YYChar>
inline std::basic_ostream<YYChar> &operator<<(std::basic_ostream<YYChar> &ostr,
                                              const location &loc) {
  unsigned int end_col = 0 < loc.end.column ? loc.end.column - 1 : 0;
  ostr << loc.begin;
  if (loc.end.filename &&
      (!loc.begin.filename || *loc.begin.filename != *loc.end.filename))
    ostr << '-' << loc.end.filename << ':' << loc.end.line << '.' << end_col;
  else if (loc.begin.line < loc.end.line)
    ostr << '-' << loc.end.line << '.' << end_col;
  else if (loc.begin.column < end_col)
    ostr << '-' << end_col;
  return ostr;
}

} // namespace yy
#line 192 "location.hh" // location.cc:296
#endif                  // !YY_YY_LOCATION_HH_INCLUDED
